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A new Dimension in our own Production

BZT provides 5-axis milling machine with pendulum machining

BZT, manufacturer of Portal milling and engraving machines for processing of wood, plastic and aluminum, has achieved a new dimension of his own production with the recently delivered PFB Portal milling series.

The CNC portal milling machine PFB 3020 is the largest machine that has been manufactured and delivered by BZT. The machine weighing about 7 tons, the external dimension are about 5 x 5 m with a travel distance of approximately X = 1800 x Y = 3350 mm, in the Z-axis are approximately 850 mm path available.

"A project of this magnitude was a new challenge for our company that we had mastered successfully. The machine shows the rapid development in the recent years. For our customers we offer solutions for their own specific needs. The PFB portal milling machine is equipped with an optional 2 axis swivel head and a pendulum machining, what makes it to an economical investment that offers our customers new possibilities in production and corresponding competitive advantage. "Says CEO Andre BZT Bothur.

The PFB milling machine optionally work as a pendulum machining, the traverse is about X = 1200 and Y = 1000 mm in Z are approximately 600 mm for the two work spaces. By pneumatically open center partition the working space can be divided into two areas. The advantage: simultaneous loading and unloading of work pieces, the idle times can be reduced to a minimum. The pendulum machining thus permits economical production of single and series production.

The machine can be delivered as a 5 axis machine with a 2-axis swivel head. A 5-axis machine in contrast of a pure 3-axis machine can manufacture complex parts, such as cross holes and undercuts, which can be edited only with repeated re–chucking otherwise. Further machining operations can be shortened using simpler tools and better surfaces are achieved. The built-in swivel head Harmonic Drive has an excellent positioning accuracy, they are the only backlash-free transmission worldwide.

The PFB portal milling machine is controlled via the 5 axis industrial control from Siemens or OSAI CNC with absolute servo drives. By using the absolute engines no referencing of the machine is necessary. Communication between the OSAI CNC and servo motors we realized via Ether CAT, the fastest currently BUS system. The OSAI control is among others in the industry used for high performance applications in a variety of machining and turning centers at the international level, 50,000 CNC OSAI systems are used worldwide.

The PFB series has been developed as a scalable system and can be build up to a length of 40 m and up to a width of 4 m. The PFB series is particularly suitable for the machining of plastics, especially for the machining of plastic thermo formed parts. You can find these applications in trucks, buses, planes or ships.

With the experience of over 30 years in the engineering industry, the company BZT based in Leopoldshöhe manufactures CNC portal milling machines and CNC special solutions for wood, plastic and aluminum machining with the quality "Made in Germany". The choices of 17 series with more than 120 machines. The standard models are between 2.500 - 200.000€, about 2.700 machines were sold in the last 10 years – to customers include Audi, Airbus, BMW, EADS, Miele, Fraunhofer Institute u.v.m. The machines are exported worldwide, the proportion of deliveries abroad, is already at 35%.

A new Dimension in our own Production

Details

  • Asemissen, Westring 18, 33818 Leopoldshöhe, Germany
  • BZT Maschinenbau GmbH

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